2,4-D, butoxyethanol ester

2,3,4-Trichlorodibenzofuran, 1.2ml x 50ug/ml, nonane

Sulfur Calibration Mixtures: Di-n-butyl sulfide in Light White Oil (less than 20mg/kg S) Unit : 10mL screw-capped bottle Light White Mineral Oil Heavy White Mineral Oil (20 cSt at 40°C) (70 cSt at 40°C)

Custom PBDE Mixture, mono- to decabromo 50µg/mL each in toluene 8747.12: 3-Bromodiphenyl ether PBDE-2 8749.12: 3,4'-Dibromodiphenyl ether PBDE-13 1961.12: 2,4,4'-Tribromodiphenyl ether PBDE-28 1964.12: 2,3',4,4-Tetrabromodiphenyl ether PBDE-66 1966.